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Weld County, Colo., Sheriff John Cooke, left, with El Paso County Sheriff Terry Maketa, center right, and other sheriffs standing behind him, speaks during a news conference at which he announced that 54 Colorado sheriffs are filing a federal civil lawsuit against two gun control bills passed by the Colorado Legislature, in Denver, Friday, May 17 2013. Among other claims, the group of sheriffs and others joining the suit argue that the laws violate the 2nd and 14th Amendments of the U.S. Constit
/ AP